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Computational study of ethene hydroarylation at [Ir(κ2-OAc)(PMe3)Cp]+

Published inDalton transactions, vol. 39, no. 43, p. 10520-10527
Publication date2010
Abstract

Density functional theory calculations have been employed to model ethene hydroarylation using an [Ir(κ2-OAc)(PMe3)Cp]+ catalyst, 1. The reaction proceeds via: (i) an acetate-assisted C–H activation of benzene via an AMLA-6 transition state; (ii) rate-limiting insertion of ethene into the Ir–Ph bond; and (iii) protonolysis of the β-phenylethyl species by HOAc. A range of competing processes are assessed, the most important of which are the C–H activation of ethene at 1 and trapping of the β-phenylethyl intermediate with ethene. The former process gives rise to Ir–vinyl species which can then access further ethene insertion to give stable allyl by-products. A comparison with other ethene hydroarylation catalysts reported in the literature is presented.

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Citation (ISO format)
DAVIES, David L., MACGREGOR, Stuart A., POBLADOR BAHAMONDE, Amalia Isabel. Computational study of ethene hydroarylation at [Ir(κ2-OAc)(PMe3)Cp]+. In: Dalton transactions, 2010, vol. 39, n° 43, p. 10520–10527. doi: 10.1039/c0dt00409j
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Additional URL for this publicationhttp://xlink.rsc.org/?DOI=c0dt00409j
Journal ISSN1477-9226
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